Your Contacts

TRICARE East RegionAlabama, Arkansas, Connecticut, Delaware, the District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa (Rock Island area), Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri (St. Louis area), New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas (excluding El Paso area), Vermont, Virginia, West Virginia, and Wisconsin.–Humana Military

1-800-444-5445

TRICARE East Region Website


TRICARE West RegionAlaska, Arizona, California, Colorado, Hawaii, Idaho, Iowa (excludes Rock Island arsenal area), Kansas, Minnesota, Missouri (except St. Louis area), Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Texas (southwestern corner including El Paso), Utah, Washington and Wyoming.–Health Net Federal Services

1-844-866-9378

TRICARE West Region Website


TRICARE Overseas Region–International SOS Government Services, Inc.

Country-specific toll-free numbers

TRICARE Overseas Website


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Changing Your Coverage Option

You may choose to change your TRICARE Young Adult plan option from Prime to Select during an open enrollment period of following a Qualifying Life Event. The Select option is available worldwide to all adult children who qualify for TRICARE Young Adult coverage.

To change from Select to Prime, you must qualify for Prime based on your sponsor's military status and your geographic location. Here are some examples:

  • If your sponsor is on active duty, you can transfer to Prime anywhere in the U.S. or overseas. In a remote U.S. location, your sponsor must be enrolled in TRICARE Prime Remote. If overseas, you must be command-sponsored.
  • If your sponsor is retired from active duty, you can transfer to Prime if you live in a Prime Service Area in the United States.
  • If your sponsor is using TRICARE Retired Reserve, you cannot transfer from Select to Prime. When your sponsor turns age 60 and is eligible for full TRICARE benefits, you may be able to transfer to Prime.
  • If your sponsor is using TRICARE Reserve Select, you cannot transfer to Prime. If your sponsor is called to active duty and becomes eligible for TRICARE Prime, then you may be able to transfer to Prime.

If Changing Within the Same Region

If you are transferring within the same region and your contractor will not change, your contractor will simply adjust future premium payments by applying any overages to future premium payments, and adjusting the Electronic Funds Transfer/Recurring Credit/Debit Charge (EFT/RCC) payments so you are not over or undercharged for the coverage requested.

If Changing Options and Changing Regions

If you want to change your plan option and you're also transferring to a new region, you must submit a new TRICARE Young Adult Enrollment Application to your new regional contractor. You can only transfer your coverage to a new region if you are current in your monthly premium payments. After you submit your application, your coverage will be transferred within 10 calendar days.

Last Updated 12/21/2017